Pink tourmaline cat's eye 3.800ct loose
Sale price¥15,800
Tourmaline cat's eye 4.370ct loose
Sale price¥9,800
Tourmaline cat's eye 4.590ct loose
Sale price¥15,800
Tourmaline cat's eye 4.790ct loose
Sale price¥9,800
Green tourmaline cat's eye 6.480ct loose
Sale price¥15,800
Bicolor tourmaline 0.830ct loose
Sale price¥14,800
Bicolor tourmaline 1.310ct loose
Sale price¥15,800
Bicolor tourmaline 1.410ct loose
Sale price¥16,800
Bicolor tourmaline 1.400ct loose
Sale price¥15,800
Bicolor tourmaline 1.260ct loose
Sale price¥15,800
Kyanite 0.760ct loose
Sale price¥8,800
Bicolor tourmaline 1.630ct loose
Sale price¥39,800
Bicolor tourmaline 1.870ct loose
Sale price¥39,800
Particolor tourmaline 1.610ct loose
Sale price¥39,800
Bicolor tourmaline 1.030ct loose
Sale price¥25,800
Bicolor tourmaline 1.190ct loose
Sale price¥29,800
Nigerian pink tourmaline 1.140ct loose stone
Sale price¥9,800
[E_27 Yurakucho Marui Take-out] Bicolor Sapphire 0.263ct Loose
Sale price¥39,800
Bicolor sapphire 0.298ct loose
Sale price¥44,800
Tourmaline 0.360ct loose stone
Sale price¥3,980
Bicolor tanzanite 1.250ct loose
Sale price¥19,800
Zircon 1.543ct loose
Sale price¥6,980
Bicolor tourmaline 2 stone set 0.940ct loose
Sale price¥5,980
Bicolor tourmaline 2 stone set 1.220ct loose
Sale price¥6,980
[E_27 Yurakucho Marui Take-out] Ruby 0.213ct Loose
Sale price¥8,800
Brazilian citrine 1.337ct loose stone
Sale price¥5,980
Cantera Opal 6.920ct loose
Sale price¥15,800
Cantera opal 7.130ct loose
Sale price¥14,800
Dendritic quartz 1.710ct loose
Sale price¥4,980
Opal 6.560ct loose
Sale price¥25,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.900ct loose
Sale price¥4,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.060ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 3.250ct loose
Sale price¥15,800
Rhodochrosite from Sweet Home 2.6mm/0.108ct loose
Sale price¥14,800
White topaz 6.680ct loose
Sale price¥29,800
Color change garnet 0.794ct loose
Sale price¥6,980
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥12,800
British Rosary Fluorite 2.113ct loose
Sale price¥6,980
British Rogerley Fluorite 2.147ct loose
Sale price¥12,800
British Rosary Fluorite 2.304ct loose
Sale price¥12,800
British Rosary Fluorite 3.043ct loose
Sale price¥9,800
British Rosary Fluorite 2.962ct loose
Sale price¥9,800

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.